Best Practices for Debugging
summary
A hands‑on course that walks through a broken Python pipeline parsing UniProt‑style FASTA files and shows concrete fixes: a missing colon causing a syntax error, a FileNotFound, a missing yield that drops the last record, stray newline/X characters that break an assertion, and a misplaced indentation. Demonstrates tools and tactics used: print debugging, pdb/ipdb with conditional breakpoints and assertions, linters, small unit inputs, bisection/Delta debugging, pandas and logging for larger pipelines. The example program is repaired step‑by‑step and ends with passing assertions and readable output.
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chapters (13)
- 0:00Python debugging intro
- 3:59Fixing Python syntax errors
- 6:05Handling Python runtime exceptions
- 10:47Debugging silent failures
- 12:36Print statements for debugging
- 15:50Scientific method in debugging
- 21:34Talking through problems
- 31:26Assertions for data consistency
- 33:45Interactive debugging with pdb
- 51:05Manual unit testing
- 1:01:46Advanced debugging techniques
- 1:11:34Logging for large programs
- 1:25:08Debugging is tiresome
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